SAGMATORRHINA LATH AMI. 
LATHAM’S GUILLEMOT. 
SA GMATOBRHINA LATHAMI. Boot. Proc. Zool. Soe. (1851,) p. 202. 
SAGMATORRHINA LABE ABORT A. Cass. B. of N. Am. p. 904. 
This curious bird, the largest of the particular group it represents, is au inhabitant of our Northwestern coast, and the single specimen 
as yet obtained, is in the collection of the British Museum. 
The Prince of Musigna.no, in his paper published in the Zoological proceedings above quoted, says of this bird, that “ It is the largest 
species of the sub-family, which is well known to contain the dwarfs of the water-birds; it is one-third larger than Ceratorrhina 
Monocerata, of which it has precisely the coloring, wanting only, (at least in the state we have it) the little white feathers above the 
eye and at the corners of the mouth. Tire proportion of wings, tail, feet and toes are the same ; the bill and toes must have been 
reddish, the cere and membrane black. Like the Ceratorrhina, it seems to be confined to the Northwestern Arctic regions of America, 
and iv e are led to believe it does not extend to the Siberian shores, from the circumstance of its uot having been noticed by 
Russian naturalists.” 
It is not at all improbable that the present specimen is immature, from the absence of any hair-like feathers about the head, so 
characteristic of many members of this family, as well as the exhibition of a few r wdiite feathers upon the sides and lower part of the 
abdomen, as shown in the plate, which would seem to indicate that, like its ally, the C. Monocerata, the lower parts would be white 
in the adult. 
Below is a life-size representation of the head of an immature specimen, received lately by the Smithsonian Institution, from the 
island of Kodiak, Alaska Territory, which is considered to belong to this species. I am indebted to the Secretaries for the privilege of 
introducing it here. 
